7542972 has 36 divisors (see below), whose sum is σ = 19184256. Its totient is φ = 2498880.

The previous prime is 7542971. The next prime is 7542979. The reversal of 7542972 is 2792457.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7542971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6328 + ... + 7424.

It is an arithmetic number, because the mean of its divisors is an integer number (532896).

Almost surely, 2^7542972 is an apocalyptic number.

It is an amenable number.

7542972 is an abundant number, since it is smaller than the sum of its proper divisors (11641284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7542972 is a wasteful number, since it uses less digits than its factorization.

7542972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298 (or 1293 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 7542972 is about 2746.4471595135. The cubic root of 7542972 is about 196.1165140914.

The spelling of 7542972 in words is "seven million, five hundred forty-two thousand, nine hundred seventy-two".